/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.validation.validator.impl;

import java.util.List;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.EventDefinition;
import org.activiti.bpmn.model.EventSubProcess;
import org.activiti.bpmn.model.MessageEventDefinition;
import org.activiti.bpmn.model.Process;
import org.activiti.bpmn.model.SignalEventDefinition;
import org.activiti.bpmn.model.StartEvent;
import org.activiti.validation.ValidationError;
import org.activiti.validation.validator.Problems;
import org.activiti.validation.validator.ProcessLevelValidator;

/**

 */
public class EventSubprocessValidator extends ProcessLevelValidator {

    @Override
    protected void executeValidation(BpmnModel bpmnModel, Process process, List<ValidationError> errors) {
        List<EventSubProcess> eventSubprocesses = process.findFlowElementsOfType(EventSubProcess.class);
        for (EventSubProcess eventSubprocess : eventSubprocesses) {
            List<StartEvent> startEvents = process.findFlowElementsInSubProcessOfType(
                eventSubprocess,
                StartEvent.class
            );
            for (StartEvent startEvent : startEvents) {
                if (startEvent.getEventDefinitions() != null && !startEvent.getEventDefinitions().isEmpty()) {
                    EventDefinition eventDefinition = startEvent.getEventDefinitions().get(0);
                    if (
                        !(eventDefinition instanceof org.activiti.bpmn.model.ErrorEventDefinition) &&
                        !(eventDefinition instanceof MessageEventDefinition) &&
                        !(eventDefinition instanceof SignalEventDefinition)
                    ) {
                        addError(
                            errors,
                            Problems.EVENT_SUBPROCESS_INVALID_START_EVENT_DEFINITION,
                            process,
                            eventSubprocess
                        );
                    }
                }
            }
        }
    }
}
